Set font properties.
xls_SetFont(fontName [, bold [, underlineFlag [, size]]])
font name to apply to range.
bold flag %t or %f.
underline flag %t or %f.
font size.
xls_NewExcel(); xls_AddWorkbook(); xls_SetVisible(%t); xls_SetData("A1", "text"); xls_SetData("A2", "text"); xls_SetFont("Calibri", %t,%t, 16); xls_SetSave(%t); xls_Close(); xls_Quit();